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. 2022 May 16;11(5):668. doi: 10.3390/antibiotics11050668

Table 1.

Biofilm-inhibitory activity of the prepared chitosan–AgNPs and –AuNPs in comparison with biosynthesized nanoparticles.

Biofilm-Inhibition Ratio (%)
E. coli B. subtilis S. aureus P. aeruginosa
AgNPs 86.79 ± 0.12 84.36 ± 0.17 80.54 ± 0.25 85.58 ± 0.19
AuNPs 0.00 29.43 ± 0.21 0.00 0.00
ch-AgNPs 87.39 ± 0.16 75.62 ± 0.10 89.88 ± 0.12 86.24 ± 0.14
ch-AuNPs 11.64 ± 0.17 50.62 ± 0.25 32.91 ± 0.21 3.57 ± 0.26